Four varieties of steel -45# flat steel
Process method of 45# flat steel.
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Some steel stays at 400~550℃ for a long time, and its impact value will decrease significantly after cooling to room temperature. This phenomenon is called the···
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Galvanized steel refers to the ordinary carbon construction steel after galvanized processing can effectively prevent steel corrosion and rust so as to prolong ···
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Steel structure is the primary green building material. Its high recovery content and recovery rate exceeds that of any other building material.
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20CrNi2MoA is a kind of high-quality alloy structural steel, which is made by multiple precision machining processes by adding carbon, silicon, manganese, phosp···
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